JAvaシリアル通信帯域UIインタフェース
12235 ワード
package com.jetf.serialport;
import gnu.io.CommPortIdentifier;
import gnu.io.NoSuchPortException;
import gnu.io.PortInUseException;
import gnu.io.SerialPort;
import gnu.io.SerialPortEvent;
import gnu.io.SerialPortEventListener;
import gnu.io.UnsupportedCommOperationException;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.TooManyListenersException;
import javax.imageio.ImageIO;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import javax.swing.border.EmptyBorder;
public class JavaRs232 extends JFrame implements ActionListener,
SerialPortEventListener {
/**
* JDK Serial Version UID
*/
private static final long serialVersionUID = -7270865686330790103L;
protected int WIN_WIDTH = 380;
protected int WIN_HEIGHT = 300;
private JComboBox portCombox, rateCombox, dataCombox, stopCombox,
parityCombox;
private Button openPortBtn, closePortBtn, sendMsgBtn;
private TextField sendTf;
private TextArea readTa;
private JLabel statusLb;
private String portname, rate, data, stop, parity;
protected CommPortIdentifier portId;
protected Enumeration<?> ports;
protected List<String> portList;
protected SerialPort serialPort;
protected OutputStream outputStream = null;
protected InputStream inputStream = null;
protected String mesg;
protected int sendCount, reciveCount;
/**
*
*/
public JavaRs232() {
super("Java RS-232 ");
setSize(WIN_WIDTH, WIN_HEIGHT);
setLocationRelativeTo(null);
Image icon = null;
try {
icon = ImageIO.read(JavaRs232.class
.getResourceAsStream("rs232.png"));
} catch (IOException e) {
showErrMesgbox(e.getMessage());
}
setIconImage(icon);
setResizable(false);
scanPorts();
initComponents();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
/**
* UI
*
* @since 2012-3-22 11:56:39
*/
public void initComponents() {
//
Font lbFont = new Font(" ", Font.TRUETYPE_FONT, 14);
//
JPanel northPane = new JPanel();
northPane.setLayout(new GridLayout(1, 1));
//
JPanel leftPane = new JPanel();
leftPane.setOpaque(false);
leftPane.setLayout(new GridLayout(3, 2));
JLabel portnameLb = new JLabel(" ：");
portnameLb.setFont(lbFont);
portnameLb.setHorizontalAlignment(SwingConstants.RIGHT);
portCombox = new JComboBox((String[]) portList.toArray(new String[0]));
portCombox.addActionListener(this);
JLabel databitsLb = new JLabel(" ：");
databitsLb.setFont(lbFont);
databitsLb.setHorizontalAlignment(SwingConstants.RIGHT);
dataCombox = new JComboBox(new Integer[] { 5, 6, 7, 8 });
dataCombox.setSelectedIndex(3);
dataCombox.addActionListener(this);
JLabel parityLb = new JLabel(" ：");
parityLb.setFont(lbFont);
parityLb.setHorizontalAlignment(SwingConstants.RIGHT);
parityCombox = new JComboBox(new String[] { "NONE", "ODD", "EVEN",
"MARK", "SPACE" });
parityCombox.addActionListener(this);
//
leftPane.add(portnameLb);
leftPane.add(portCombox);
leftPane.add(databitsLb);
leftPane.add(dataCombox);
leftPane.add(parityLb);
leftPane.add(parityCombox);
//
JPanel rightPane = new JPanel();
rightPane.setLayout(new GridLayout(3, 2));
//
JLabel baudrateLb = new JLabel(" ：");
baudrateLb.setFont(lbFont);
baudrateLb.setHorizontalAlignment(SwingConstants.RIGHT);
rateCombox = new JComboBox(new Integer[] { 2400, 4800, 9600, 14400,
19200, 38400, 56000 });
rateCombox.setSelectedIndex(2);
rateCombox.addActionListener(this);
JLabel stopbitsLb = new JLabel(" ：");
stopbitsLb.setFont(lbFont);
stopbitsLb.setHorizontalAlignment(SwingConstants.RIGHT);
stopCombox = new JComboBox(new String[] { "1", "2", "1.5" });
stopCombox.addActionListener(this);
openPortBtn = new Button(" ");
openPortBtn.addActionListener(this);
closePortBtn = new Button(" ");
closePortBtn.addActionListener(this);
//
rightPane.add(baudrateLb);
rightPane.add(rateCombox);
rightPane.add(stopbitsLb);
rightPane.add(stopCombox);
rightPane.add(openPortBtn);
rightPane.add(closePortBtn);
//
northPane.add(leftPane);
northPane.add(rightPane);
//
JPanel centerPane = new JPanel();
//
sendTf = new TextField(42);
readTa = new TextArea(8, 50);
readTa.setEditable(false);
readTa.setBackground(new Color(225, 242, 250));
centerPane.add(sendTf);
sendMsgBtn = new Button(" ");
sendMsgBtn.addActionListener(this);
//
centerPane.add(sendTf);
centerPane.add(sendMsgBtn);
centerPane.add(readTa);
//
statusLb = new JLabel();
statusLb.setText(initStatus());
statusLb.setOpaque(true);
// , 、 、
JPanel contentPane = (JPanel) getContentPane();
contentPane.setLayout(new BorderLayout());
contentPane.setBorder(new EmptyBorder(0, 0, 0, 0));
contentPane.setOpaque(false);
contentPane.add(northPane, BorderLayout.NORTH);
contentPane.add(centerPane, BorderLayout.CENTER);
contentPane.add(statusLb, BorderLayout.SOUTH);
}
/**
*
*
* @return String
* @since 2012-3-23 12:01:53
*/
public String initStatus() {
portname = portCombox.getSelectedItem().toString();
rate = rateCombox.getSelectedItem().toString();
data = dataCombox.getSelectedItem().toString();
stop = stopCombox.getSelectedItem().toString();
parity = parityCombox.getSelectedItem().toString();
StringBuffer str = new StringBuffer(" :");
str.append(portname).append(" :");
str.append(rate).append(" :");
str.append(data).append(" :");
str.append(stop).append(" :");
str.append(parity);
return str.toString();
}
/**
* COM
*
* @since 2012-3-23 12:02:42
*/
public void scanPorts() {
portList = new ArrayList<String>();
Enumeration<?> en = CommPortIdentifier.getPortIdentifiers();
CommPortIdentifier portId;
while (en.hasMoreElements()) {
portId = (CommPortIdentifier) en.nextElement();
if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
String name = portId.getName();
if (!portList.contains(name)) {
portList.add(name);
}
}
}
if (null == portList || portList.isEmpty()) {
showErrMesgbox(" , !");
System.exit(0);
}
}
/**
*
*
* @since 2012-3-23 12:03:07
*/
public void openSerialPort() {
//
try {
portId = CommPortIdentifier.getPortIdentifier(portname);
} catch (NoSuchPortException e) {
showErrMesgbox(" , " + portname + " !");
setComponentsEnabled(true);
return;
}
//
try {
serialPort = (SerialPort) portId.open("JavaRs232", 2000);
statusLb.setText(portname + " !");
} catch (PortInUseException e) {
showErrMesgbox(portname + " , !");
setComponentsEnabled(true);
return;
}
//
try {
int rate = Integer.parseInt(this.rate);
int data = Integer.parseInt(this.data);
int stop = stopCombox.getSelectedIndex() + 1;
int parity = parityCombox.getSelectedIndex();
System.out.println("rate:"+rate);
System.out.println("data:"+data);
System.out.println("stop:"+stop);
System.out.println("parity:"+parity);
serialPort.setSerialPortParams(rate, data, stop, parity);
} catch (UnsupportedCommOperationException e) {
showErrMesgbox(e.getMessage());
}
// IO
try {
outputStream = serialPort.getOutputStream();
inputStream = serialPort.getInputStream();
} catch (IOException e) {
showErrMesgbox(e.getMessage());
}
//
try {
serialPort.addEventListener(this);
} catch (TooManyListenersException e) {
showErrMesgbox(e.getMessage());
}
serialPort.notifyOnDataAvailable(true);
}
/**
*
*
* @since 2012-3-23 12:05:00
*/
public void sendDataToSeriaPort() {
try {
sendCount++;
outputStream.write(mesg.getBytes());
outputStream.flush();
} catch (IOException e) {
showErrMesgbox(e.getMessage());
}
statusLb.setText(" : " + sendCount
+ " : " + reciveCount);
}
/**
*
*
* @since 2012-3-23 12:05:28
*/
public void closeSerialPort() {
try {
if (outputStream != null)
outputStream.close();
if (serialPort != null)
serialPort.close();
serialPort = null;
statusLb.setText(portname + " !");
sendCount = 0;
reciveCount = 0;
sendTf.setText("");
readTa.setText("");
} catch (Exception e) {
showErrMesgbox(e.getMessage());
}
}
/**
*
*
* @param msg
*
* @since 2012-3-23 12:05:47
*/
public void showErrMesgbox(String msg) {
JOptionPane.showMessageDialog(this, msg);
}
/**
*
*/
public void actionPerformed(ActionEvent e) {
if (e.getSource() == portCombox || e.getSource() == rateCombox
|| e.getSource() == dataCombox || e.getSource() == stopCombox
|| e.getSource() == parityCombox) {
statusLb.setText(initStatus());
}
if (e.getSource() == openPortBtn) {
setComponentsEnabled(false);
openSerialPort();
}
if (e.getSource() == closePortBtn) {
if (serialPort != null) {
closeSerialPort();
}
setComponentsEnabled(true);
}
if (e.getSource() == sendMsgBtn) {
if (serialPort == null) {
showErrMesgbox(" !");
return;
}
mesg = sendTf.getText();
if (null == mesg || mesg.isEmpty()) {
showErrMesgbox(" !");
return;
}
sendDataToSeriaPort();
}
}
/**
*
*/
public void serialEvent(SerialPortEvent event) {
switch (event.getEventType()) {
case SerialPortEvent.BI:
case SerialPortEvent.OE:
case SerialPortEvent.FE:
case SerialPortEvent.PE:
case SerialPortEvent.CD:
case SerialPortEvent.CTS:
case SerialPortEvent.DSR:
case SerialPortEvent.RI:
case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
break;
case SerialPortEvent.DATA_AVAILABLE:
byte[] readBuffer = new byte[50];
try {
while (inputStream.available() > 0) {
inputStream.read(readBuffer);
}
StringBuilder receivedMsg = new StringBuilder("/-- ");
receivedMsg.append(new String(readBuffer).trim()).append(
" --/
");
readTa.append(receivedMsg.toString());
reciveCount++;
statusLb.setText(" : " + sendCount
+ " : "
+ reciveCount);
} catch (IOException e) {
showErrMesgbox(e.getMessage());
}
}
}
/**
*
*
* @param enabled
*
* @since 2012-3-23 12:06:24
*/
public void setComponentsEnabled(boolean enabled) {
openPortBtn.setEnabled(enabled);
openPortBtn.setEnabled(enabled);
portCombox.setEnabled(enabled);
rateCombox.setEnabled(enabled);
dataCombox.setEnabled(enabled);
stopCombox.setEnabled(enabled);
parityCombox.setEnabled(enabled);
}
/**
*
*
* @param args
* @since 2012-3-23 12:06:45
*/
public static void main(String[] args) {
new JavaRs232();
}
}
注意:
Javacomm 20-win 32.zipからダウンロードしたファイルを解凍した後、javacomm 20-win 32commapiディレクトリの下に必要な3つのファイルがあります.
comm.jar、javax.com.properties、win 32 comm.dll.
ファイルcomm.jarを%JAVA_にコピーHOME%\jre\lib\ext;
ファイルjavax.com.properties%JAVA_へコピーHOME%\jre\lib;
ファイルwin 32 comm.dllコピー%JAVA_HOME%\bin.
注意%JAVA_HOME%はjdkの経路であり、jreではない.